Muffler device

The utility model provides a muffler device, includes: box and acoustic baffle subassembly, the box includes first plate body, the second plate body, the slip plate body, adjusting plate body and retaining member, slip plate body and main board body coupling, the slip plate body has been offered and has been kept away a groove, the slip plate body is spaced apart to be equipped with a plurality of first locking holes, each lock the hole respectively with keep away groove intercommunication, adjusting plate body and second board body coupling, adjusting plate body part slip at least sets up in keeping away an inslot, the spaced apart a plurality of seconds locking hole that is equipped with of adjusting plate body, the retaining member wears to establish one of them first locking hole and one of them second locking hole in proper order, the acoustic baffle subassembly includes mounting, slider and acoustic baffle. In actual installation, the acoustic baffle lies in between first plate body and the second plate